import sys
try:
    a = int(sys.argv[1])
    b = int(sys.argv[2])
    c = a / b
    print("你输入的两个数相除的结果是：", c)

except IndexError:
    print("索引错误：运行程序时输入的参数个数不对")

except ValueError:
    print("数值错误：程序只能接受整数参数")

except ArithmeticError:
    print("算术错误")

except Exception:
    print("未知异常")